Uchizawa, Kei, Daiki Yashima, and Xiao Zhou. “Threshold Circuits Detecting Global Patterns in Two-Dimensional Maps”. Journal of Graph Algorithms and Applications 20, no. 1 (February 1, 2016): 115–131. Accessed February 26, 2025. https://jgaa.info/index.php/jgaa/article/view/paper387.